CN220011642U - Folding device of KN95 mask automatic high-speed production line - Google Patents

Abstract

The utility model relates to the technical field of mask production and discloses a folding device of a KN95 mask automatic high-speed production line, which comprises a nylon limiting press roller and a mounting plate, wherein the nylon limiting press roller is rotatably mounted on the side part of the mounting plate, the bottom side of the mounting plate is provided with a folding plate, a width limiting plate and a first suction box conveying assembly, the width limiting plate is arranged below the folding plate, the first suction box conveying assembly is arranged below the width limiting plate, the nylon limiting press roller comprises a roller body and a rolling ball, the rolling ball is rotatably mounted at the front end of the roller body, when a composite fabric is contacted with the nylon limiting press roller, a conveying belt drives the rolling ball to rotate, the original sliding friction is changed into rolling friction, the friction resistance of the movement of the composite fabric is reduced, the deviation between the composite fabric and the nylon fiber press roller is reduced, the fit degree of each part of the folding device is improved, the frequency of the device to be debugged is reduced, and the production efficiency of an automatic production line is improved.

Description

Folding device of KN95 mask automatic high-speed production line

Technical Field

The utility model relates to the technical field of mask production, in particular to a folding device of a KN95 mask automatic high-speed production line.

Background

The N95 type mask is one of 9 particulate matter protective masks authenticated by NIOSH. "N" means oil less (not resistant to oil). "95" means that the particle concentration in the mask is 95% or more lower than the particle concentration outside the mask when exposed to a predetermined number of special test particles. An kn95 mask is a professional medical protective mask and is generally divided into three layers, and the inner layer of the kn95 mask is common sanitary gauze or non-woven fabric. The middle layer is a polypropylene fiber melt-blown material layer and has a filtering effect. The outer layer is a non-woven fabric or ultrathin polypropylene melt-blown material layer, and has hydrophobicity.

In order to improve production efficiency in the existing mask production process, an automatic high-speed production line is generally used, and the automatic high-speed production line comprises a wallboard, a frame, a feeding part, a nose bridge strip cutting and implanting part, a face seal embossing ultrasonic welding part, a face seal welded face fabric folding part, a face fabric Zhou Fengre combining part, a peripheral seal ultrasonic welding part, a trimming forming part, a rim charge recycling part and a product conveying part.

In the existing fabric folding part, as shown in fig. 1, the composite fabric is subjected to surface seal embossing welding and then enters a folding process through the embossing roller 14 and the traction roller 12: the servo motor in the suction box conveying assembly 17 is started, the driving roller drives the conveying belt 61 to operate, the composite fabric is folded and compounded through the nylon limiting pressing roller 15, the width limiting plate 51 and the folding plate 52, and negative pressure generated by the suction box conveying assembly 17 is adsorbed on the conveying belt 61 in the process. However, the nylon limit press roller 15 in the prior art is a cylindrical roller and generates larger friction with the composite fabric, so that the composite fabric is offset under the influence of friction when being folded, the folding position is changed, and the timing inspection and adjustment are needed; therefore, the existing requirements are not met, and a folding device of an automatic high-speed production line of the KN95 mask is provided.

Disclosure of Invention

The utility model provides a folding device of an automatic high-speed production line of a KN95 mask, which has the beneficial effects of solving the problems that the prior nylon limit press roller 15 in the background art is a cylindrical roller, generates larger friction with a composite fabric, causes the composite fabric to be influenced by friction to deviate when being folded, causes the folding position to change and needs to be checked and adjusted at fixed time.

The utility model provides the following technical scheme: the utility model provides a folding device of automatic high-speed production line of KN95 gauze mask, includes spacing compression roller of nylon and mounting panel, the spacing compression roller of nylon is rotated and is installed the lateral part of mounting panel, the bottom side of mounting panel is provided with folding plate, limit for width board and first induced draft case conveying subassembly, limit for width board sets up the below of folding plate, first induced draft case conveying subassembly sets up limit for width board's downside, the spacing compression roller of nylon includes roll body and spin, the spin rolls and installs the front end of roll body.

As an alternative scheme of the folding device of the KN95 mask automatic high-speed production line, the utility model comprises the following steps: the roller body is a cylindrical roller, one end of the roller body is provided with the rolling ball which is in rolling fit, the other end of the roller body is rotatably provided with a roller shaft, and the roller shaft is fixedly arranged with the mounting plate.

As an alternative scheme of the folding device of the KN95 mask automatic high-speed production line, the utility model comprises the following steps: the front end of the roller body is rotatably provided with a rotating strip, the rotating strip and the roller body are coaxially arranged, and the side wall of the rotating strip is arc-shaped.

As an alternative scheme of the folding device of the KN95 mask automatic high-speed production line, the utility model comprises the following steps: the folding plate is parallel to the width limiting plate, the folding plate is arranged to be a trapezoid plate, and the width of the folding plate is wider and wider from the inlet direction to the outlet direction.

As an alternative scheme of the folding device of the KN95 mask automatic high-speed production line, the utility model comprises the following steps: the stainless steel plate is arranged in the outlet direction of the folding plate, a conveying belt is arranged on the upper side of the stainless steel plate, and the conveying belt is correspondingly connected with the first suction box conveying assembly.

As an alternative scheme of the folding device of the KN95 mask automatic high-speed production line, the utility model comprises the following steps: the roller is characterized in that a shaft sleeve is arranged at the bottom of the roller body, and the roller shaft is rotatably arranged at the inner side of the shaft sleeve.

As an alternative scheme of the folding device of the KN95 mask automatic high-speed production line, the utility model comprises the following steps: and a bearing is arranged between the roll shaft and the shaft sleeve, and the bearing is a mute ball bearing.

As an alternative scheme of the folding device of the KN95 mask automatic high-speed production line, the utility model comprises the following steps: the roller body internally mounted has a plurality of support columns, and a plurality of support column annular array installs the inside bottom of roller body, a plurality of the top of support column all sets up to the dome, a plurality of the top of support column jointly with the bottom contact of spin.

The utility model has the following beneficial effects:

1. this folding device of automatic high-speed production line of KN95 gauze mask sets up the spacing compression roller of nylon into the combination of roll body and spin, spin rolling installs the tip at the roll body, when compound surface fabric and the spacing compression roller of nylon contact, when the conveyer belt drives compound surface fabric and removes, compound surface fabric drives the spin and rolls, change original sliding friction into rolling friction, the frictional resistance that compound surface fabric removed has been reduced, thereby reduce compound surface fabric and nylon fiber compression roller contact and take place the skew, the degree of fit of each part of folding device has been improved, the frequency that the device needs to debug is reduced, thereby automatic assembly line production's efficiency has been improved.

2. This folding device of automatic high-speed production line of KN95 gauze mask, through the setting of rotating the strip, when compound surface fabric is wider, with the contact of roll body lateral wall, rotate strip and compound surface fabric contact, rotate the strip and receive the drive of compound surface fabric frictional force and rotate with the roll body, replaced the slip friction of original direct production, further reduced the friction that compound surface fabric and the spacing compression roller of nylon produced.

3. This folding device of automatic high-speed production line of KN95 gauze mask, through the setting of supporting column, the annular array of support column provides stable support for the spin, and the top of support column is the dome, and is little with the spin contact surface, and the friction that produces is less, simultaneously through the cooperation of axle sleeve and bearing, the roll body is connected more stably with the rotation of roller, has further improved the degree of fit between each part of folding device, has reduced the frequency that the device needs to debug, has further improved the efficiency of the automatic assembly line production of KN95 gauze mask production.

Drawings

Fig. 1 is a schematic diagram of an automated high-speed production line of a KN95 mask.

Fig. 2 is a schematic diagram of a material folding composite of a KN95 mask automatic high-speed production line.

Fig. 3 is a schematic diagram of a prior art automated high-speed production line suction box transfer assembly 17 for KN95 masks.

Fig. 4 is a schematic diagram of the embossing welding forming process of the mask of the KN95 mask automatic high-speed production line.

Fig. 5 is a schematic top view of the present utility model.

Fig. 6 is a schematic view of a partial perspective structure of the present utility model.

Fig. 7 is a schematic view of a partial cross-sectional structure of the present utility model.

In the figure: 1. a wallboard; 2. a frame; 3. a first reloading cutting mechanism; 4. a second material changing and cutting mechanism; 5. a material storage swing rod mechanism; 6. a first transition wheel; 7. a rubber covered roller traction assembly; 8. a deviation corrector; 9. a first ultrasonic machine; 10. a face seal embossing roller assembly; 11. a nose bridge strip cutting and transverse changing mechanism; 12. a traction roller; 13. a magnetic suction roller; 14. pressing a guide roller; 15. nylon limit press rolls; 17. a first suction box transfer assembly; 19. zhou Fengre roller combination; 20. a second ultrasonic machine; 21. zhou Fenghua rolls; 22. a second suction box transfer assembly; 23. trimming and forming components; 24. a trimming roller; 26. a third suction box transfer assembly; 27. a conveyor; 31. a roll 31; 33. a traction wheel mechanism; 34. a swing rod tensioning mechanism; 35. a second transition wheel; 37. a first smooth roll; 38. a second smooth roll; 39. a recovery air pipe; 51. a width limiting plate; 52. a folding plate; 61. a conveyor belt; 62. a drive roller assembly; 64. a bracket; 66. a tensioning wheel; 68. a stainless steel panel; 69. a frame body; 151. a roller body; 152. a rolling ball; 153. a roll shaft; 154. rotating the strip; 155. a support column; 156. a shaft sleeve; 157. a bearing; 160. and (3) mounting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

This embodiment is intended to promote to solve prior art nylon spacing compression roller 15 and is the cylinder roller, produce great friction with compound surface fabric, make compound surface fabric receive the friction influence to take place the skew when folding, lead to folding position to appear changing, need the problem of timing inspection adjustment, please refer to fig. 1-6, a folding device of KN95 gauze mask automation high-speed production line, including nylon spacing compression roller 15 and mounting panel 160, nylon spacing compression roller 15 rotates the lateral part of installing panel 160, the bottom side of mounting panel 160 is provided with folding plate 52, limit for width board 51 and first induced draft box conveying subassembly 17, limit for width board 51 sets up in the below of folding plate 52, first induced draft box conveying subassembly 17 sets up the downside at limit for width board 51, nylon spacing compression roller 15 includes roll body 151 and spin 152, spin 152 roll-mounting is in the front end of roll body 151.

When specifically arranged, as shown in fig. 5 and 6, the folding plate 52 is parallel to the width limiting plate 51, the folding plate 52 is arranged as a trapezoid plate, and the width of the folding plate 52 is wider from the inlet direction to the outlet direction.

The outlet direction of the folding plate 52 is provided with a stainless steel panel 68, and a conveying belt 61 is installed on the upper side of the stainless steel panel 68, and the conveying belt 61 is correspondingly connected with the first suction box conveying assembly 17 and is used for conveying out the folded composite fabric.

The roller body 151 is a cylindrical roller, one end of the roller body 151 is provided with a rolling ball 152 in rolling fit, the other end of the roller body 151 is rotatably provided with a roller shaft 153, and the roller shaft 153 is fixedly arranged with the mounting plate 160.

Referring to fig. 1 to 5, the existing automatic high-speed production line of KN95 mask comprises a wallboard 1, a frame 2, a feeding part, a nose bridge strip cutting and implanting part, a face seal embossing ultrasonic welding part, a face seal welded face fabric folding part, a face fabric Zhou Fengre combining part, a peripheral seal ultrasonic welding part, a trimming forming part, a rim charge recycling part and a product conveying part. The feeding part comprises 10 groups of material rolls 31 (A1, A2, A3, A4, A5, B1, B2, B3, B4 and B5), wherein 5 groups (A1, A2, A3, A4 and A5) are one group (A group), and the other 5 groups (B1, B2, B3, B4 and B5) are one group (B group) for standby switching; the first material changing cutting mechanism 3, the second material changing cutting mechanism 4, the material storing swing rod mechanism 5 (5 groups), the first transition wheel 6 (92 groups), the rubber covered roller traction assembly 7 (9 groups), the deviation corrector 8 (5 groups), the traction roller 12 (same as the rubber covered roller traction assembly 7) and the magnetic attraction roller 13 are all fixed on the wallboard 1. The feeding portion further comprises nose bridge strip feeding: the material roll 31, the swing rod tensioning mechanism 34, the forming traction wheel mechanism 33 and the nose bridge strip cutting and transverse changing mechanism 11 are all fixed on the wallboard 1. The surface seal embossing ultrasonic welding part comprises a first ultrasonic machine 9 and a surface seal embossing roller assembly 10, and surface seal patterns are processed on the surface seal embossing roller assembly 10. The folded part of the surface-sealed and welded fabric comprises a pressing guide wheel 14, a traction wheel 12, a nylon limiting press roller 15, an adsorption bellows conveying assembly 17, a width limiting plate 51 and a folding plate 52; the first suction box conveying assembly 17 comprises a driving roller assembly 62 (comprising a tensioning wheel 62), 3 groups of tensioning wheels 66 (with an adjusting mechanism), a conveying belt 61 (with a plurality of small holes), a stainless steel panel 68, a frame 69 and a bracket 64; the first suction box transfer assembly 17 is secured to the wall panel 1 by a2 bracket 64; the second suction box conveying assembly 22 and the third suction box conveying assembly 26 have the same structure as the first suction box conveying assembly 17. The facing Zhou Fengre includes first smooth rollers 37, zhou Fengre, 19, zhou Fengre with circumferentially-sealed teeth on the roller 19, and electrothermal tubes embedded in both rollers. The peripheral ultrasonic welding portion includes a second ultrasonic machine 20 and a peripheral Feng Hua roller 21. The trimming forming part comprises a second suction box conveying assembly 22, a third suction box conveying assembly 26 and a trimming forming assembly 23; the trim forming assembly 23 includes a second smooth roll 38 and a trim roll 24.

The nose bridge strip is implanted to 5-layer material gauze mask, and in the production process, two sets of material coils (A set of material coils and B set of material coils) 31, and another set of material coils is reserve when one set of material coils operates, and when switching, one of the first material changing cutting mechanism 3 and the second material changing cutting mechanism 4 acts to cut off the fabric about to run out, and the standby material coils 31 are connected, so that the downtime is short during material changing, and the production efficiency is improved.

Taking group A of material rolls 31 as an example, starting the equipment, unreeling the material rolls 31, and running the materials of the group A1 and the group A2 of material rolls 31 according to the following sequence: the second material changing cutting mechanism 4, the material storage swing rod mechanism 5, the first transition wheel 6, the rubber covered roller traction component 7, the deviation corrector 8, the first transition wheel 6 and the surface seal embossing ultrasonic welding; a3, A4 and A5 groups of material rolls 31 are operated according to the following sequence: the second material changing cutting mechanism 4, the material storage swing rod mechanism 5, the first transition wheel 6, the rubber covered roller traction component 7, the deviation corrector 8, the first transition wheel 6, the space between the traction roller 12 and the magnetic suction roller 13, the first transition wheel 6 and the surface seal embossing ultrasonic welding.

Nose bridge strip feeding: the roll 31 is unwound and runs in the following order: the second transition wheel 35-the swinging rod tensioning mechanism 34-the forming traction wheel mechanism 33-the nose bridge strip cutting and transverse changing mechanism 11-after cutting and transverse changing, the nose bridge strip cutting and transverse changing mechanism is adsorbed onto the fabric of the A5 material roll 31 through the magnetic suction roller 13, is implanted between the A5 material roll and the A3 and A4 material, and is subjected to surface seal embossing ultrasonic welding through the first transition wheel 6.

The material storage swing rod assembly 5 realizes automatic control of tension adjustment through an air cylinder and a potentiometer; the non-woven fabrics of the five groups of material rolls 31 are automatically aligned by a deviation corrector, so that the non-woven fabrics are attached neatly and flatly before surface seal embossing ultrasonic welding is carried out. The surface seal embossing roller 10 is provided with surface seal patterns, after surface seal embossing ultrasonic welding, the pattern positions are firmly welded, and five layers of fabrics and nose bridge strips are bonded and fixed; five-layer composite fabric is subjected to surface seal embossing welding and then enters a folding process through the embossing roller 14 and the traction roller 12: a servo motor in the first suction box conveying assembly 17 is started, the driving roller drives the conveying belt 61 to operate, the composite fabric is folded and compounded through the nylon limit pressing roller 15, the width limiting plate 51 and the folding plate 52, and negative pressure generated by the first suction box conveying assembly 17 is adsorbed on the conveying belt 61 in the process; after folding and compounding, the process of entering the circumference Feng Re by the pressing guide wheel 14 and the traction wheel 12 is carried out: zhou Fengre seal-shaped insections are processed on the roller 19, and the peripheral seal tooth-shaped part is subjected to hot pressing preliminary bonding between the preheated first smooth rollers 37 and Zhou Fengre and the roller 19, so that the welding speed of the ultrasonic welding in the next step can be improved; after the composite fabric is thermally sealed, the composite fabric enters a circumferential welding stage through a transition wheel: the periphery Feng Huawen is processed on the periphery roller 21, after the periphery ultrasonic welding, the periphery pattern is firmly welded, and the periphery welding can be performed at a higher speed because the composite fabric is preheated and pressed in the last step. The composite fabric after the circumferential welding reaches the conveying belt of the second suction box conveying assembly 22 through the traction and leveling of the pressing guide wheel 14 and the traction wheel 12 and then through the transition wheel, and is adsorbed, the transition wheel above the conveying belt is coated with sponge, and the conveying belt is conveyed to the trimming forming assembly 23 for trimming: the edge trimming roller 24 is provided with a forming edge trimming knife, and the forming edge trimming knife completes shearing when rolling with the second smooth roller 38; the periphery of the trimming knife is coated with sponge, so that the composite fabric is protected from deformation and wrinkling during shearing; the edge-cut rim charge is sucked and recovered by a recovery air pipe 39 through a traction wheel and a transition wheel; the product enters the conveyor belt of the third suction box conveying assembly 26 to be adsorbed, passes through the transition wheels coated with the sponge and reaches the conveyor 27, and the product is discharged.

In this embodiment: the nylon limiting press roller 15 is arranged to be a combination of the roller body 151 and the rolling ball 152, the rolling ball 152 is arranged at the end part of the roller body 151 in a rolling way, when the composite fabric is in contact with the nylon limiting press roller 15, the conveying belt 61 drives the composite fabric to move, the composite fabric drives the rolling ball 152 to roll, the original sliding friction is changed into rolling friction, the friction resistance of the movement of the composite fabric is reduced, the contact of the composite fabric and the nylon fiber press roller 15 is reduced, the deviation is generated, the fit degree of each part of the folding device is improved, the debugging frequency of the device is reduced, and the production efficiency of an automatic assembly line is improved.

Example 2

The present embodiment is intended to facilitate solving the problem that friction is generated by contact between two sides of the composite fabric and the side wall of the roller body 151 when the composite fabric is folded by the folding plate 52 and the nylon limiting press roller 15 if the composite fabric is relatively wide, and is an improvement made on the basis of embodiment 1, specifically, referring to fig. 6 to 7, a rotating strip 154 is rotatably mounted at the front end of the roller body 151, the rotating strip 154 is coaxially disposed with the roller body 151, and the side wall of the rotating strip 154 is arc-shaped.

When specifically setting up, rotate the strip 154 level and rotate the outside of installing at the roll body 151, the radian of rotating the strip 154 links up with the radian that the spin 152 exposes, rotates the strip 154 and sets up to smooth PVC strip in surface, reduces the frictional resistance who can produce with compound surface fabric as far as possible.

In this embodiment: through the setting of the rotating strip 154, when the composite fabric is wider, and contacts with the side wall of the roller body 151, the rotating strip 154 contacts with the composite fabric, and the rotating strip 154 is driven by the friction force of the composite fabric to rotate with the roller body 151, so that the sliding friction generated by the original direct production is replaced, and the friction generated by the composite fabric and the nylon limiting press roller 15 is further reduced.

Example 3

The present embodiment is intended to facilitate solving the problem that the ball 152 needs to be supported, but has serious internal abrasion and short service life after being applied for a long time, and is an improvement made on the basis of embodiment 2, specifically, referring to fig. 7, 4 support columns 155,4 are installed in the roller 151 and an annular array of support columns 155 is installed at the bottom of the roller 151, the tops of the 4 support columns 155 are all set to be dome, and the tops of the 4 support columns 155 are jointly contacted with the bottom of the ball 152.

A shaft sleeve 156 is installed at the bottom of the roller body 151, and a roller shaft 153 is rotatably installed inside the shaft sleeve 156. A bearing 157 is installed between the roller shaft 153 and the shaft sleeve 156, and the bearing 157 is configured as a mute ball bearing for reducing noise of the nylon limit pressing roller 15 during rotation.

In this embodiment: the annular array of support column 155 provides stable support for spin 152, and the top of support column 155 is the dome, and is little with spin 152 contact surface, and the friction that produces is less, and simultaneously through the cooperation of axle sleeve 156 and bearing 157, the roll body 151 is connected with the rotation of roller 153 more stably, has further improved the degree of fit between folding device each part, has reduced the frequency that the device needs to debug, has further improved KN95 mask production automation line production's efficiency.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (8)

1. The utility model provides a folding device of automatic high-speed production line of KN95 gauze mask, includes spacing compression roller of nylon (15) and mounting panel (160), spacing compression roller of nylon (15) rotate and install the lateral part of mounting panel (160), the downside of mounting panel (160) is provided with folding board (52), limit for width board (51) and first induced draft case conveying subassembly (17), limit for width board (51) set up the below of folding board (52), first induced draft case conveying subassembly (17) set up the downside of limit for width board (51), its characterized in that: the nylon limit press roller (15) comprises a roller body (151) and a rolling ball (152), and the rolling ball (152) is arranged at the front end of the roller body (151) in a rolling mode.

2. The folding device of the automatic high-speed production line of the KN95 mask according to claim 1, which is characterized in that: the roller body (151) is a cylindrical roller, one end of the roller body (151) is provided with the rolling ball (152) in rolling fit, the other end of the roller body (151) is rotatably provided with a roller shaft (153), and the roller shaft (153) is fixedly arranged with the mounting plate (160).

3. The folding device of the automatic high-speed production line of the KN95 mask according to claim 1, which is characterized in that: the front end of the roller body (151) is rotatably provided with a rotating strip (154), the rotating strip (154) and the roller body (151) are coaxially arranged, and the side wall of the rotating strip (154) is arc-shaped.

4. The folding device of the automatic high-speed production line of the KN95 mask according to claim 1, which is characterized in that: the folding plate (52) is parallel to the width limiting plate (51), the folding plate (52) is arranged as a trapezoid plate, and the width of the folding plate (52) is wider from the inlet direction to the outlet direction.

5. The folding device of the automatic high-speed production line of the KN95 mask according to claim 1, which is characterized in that: the outlet direction of the folding plate (52) is provided with a stainless steel panel (68), a conveying belt (61) is arranged on the upper side of the stainless steel panel (68), and the conveying belt (61) is correspondingly connected with the first suction box conveying assembly (17).

6. The folding device of the automatic high-speed production line of the KN95 mask according to claim 2, which is characterized in that: a shaft sleeve (156) is arranged at the bottom of the roller body (151), and the roller shaft (153) is rotatably arranged at the inner side of the shaft sleeve (156).

7. The folding device of the automatic high-speed production line of the KN95 mask, as set forth in claim 6, is characterized in that: a bearing (157) is mounted between the roller shaft (153) and the shaft sleeve (156), and the bearing (157) is configured as a mute ball bearing.

8. The folding device of the automatic high-speed production line of the KN95 mask according to claim 1, which is characterized in that: the roller body (151) internally mounted has a plurality of support columns (155), and a plurality of support column (155) annular array is installed the inside bottom of roller body (151), a plurality of the top of support column (155) all sets up to the dome, a plurality of the top of support column (155) jointly with the bottom contact of spin (152).